Home / 122,111,999.20-183,167,998.80-73,739,058.40

Finding the Fourth Proportional to 122,111,999.20, 183,167,998.80 and 73,739,058.40

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Solution

The fourth proportional to 122,111,999.20, 183,167,998.80 and 73,739,058.40 is: 110,608,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,111,999.20 : 183,167,998.80 = 73,739,058.40 : x
  2. Step 2: Convert to fraction form
    122,111,999.20/183,167,998.80 = 73,739,058.40/x
  3. Step 3: Cross multiply
    122,111,999.20x = 183,167,998.80 × 73,739,058.40
  4. Step 4: Simplify right side
    122,111,999.20x = 13,506,635,760,524,332
  5. Step 5: Solve for x
    x = 13,506,635,760,524,332/122,111,999.20
  6. Step 6: Final answer
    x = 110,608,587.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.